<div xmlns:th="http://www.thymeleaf.org" th:fragment="alert">
    <div class="am-modal am-modal-alert" tabindex="-1" id="alert">
        <div class="am-modal-dialog">
            <div class="am-modal-hd"></div>
            <div class="am-modal-bd">
            </div>
            <div class="am-modal-footer">
                <span class="am-modal-btn">确定</span>
            </div>
        </div>
    </div>
</div>